(1) Subject to sub-article (2), where benefit has been awarded and is being paid to a person, the right to any sum payable by way of the benefit shall be extinguished where payment of the benefit is not obtained within 6 months.

(2) Sub-article (1) shall not apply in respect of any benefit where a deciding officer or an appeals officer is satisfied that entitlement to the payment exists and where -

(a) the sum payable is not received within the time allowed in sub-article (1) due to the mental or other incapacity of the beneficiary or his or her approved agent, or

(b) in any other case where the deciding officer or appeals officer is satisfied that there was good cause for the delay in claiming the payment within the time allowed in sub-article (1).